Virtual images from converging and diverging lenses

12 questions

1. Converging rays are rays that are coming together. ___ rays are rays that are spreading out.
2. The imaginary line through the centre of a lens, at right angles to the lens diameter is called the ___.
3. Any ray that passes through the centre of a lens …
4. These terms can be used to describe images made by lenses. Match each term with its meaning.
5. Which of these converging lens ray diagrams is correct?
6. The power of a lens is greater if …
7. An image that light rays appear to come from, but do not actually come from, is called a ___ image.
8. What is the principal focus for a diverging lens?
9. Which of these statements are true about short-sightedness?
10. This scale ray diagram shows an object (an arrow), a diverging lens and an image. Which of these words describe the image?
11. A converging lens makes a magnified image (Q) of an object (P). Which of these images correctly shows real rays (solid black lines) and virtual rays (dashed black lines)?
12. Which of these statements are correct?

License: OGL